Patch "[PATCH] ipv4: Missing sk_nulls_node_init() in ping_unhash()." has been added to the 3.10-stable tree
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This is a note to let you know that I've just added the patch titled
[PATCH] ipv4: Missing sk_nulls_node_init() in ping_unhash().
to the 3.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ipv4-missing-sk_nulls_node_init-in-ping_unhash.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.
Quoted 1 line
From foo@baz Fri May 8 13:15:43 CEST 2015
From: "David S. Miller" <[email protected]>
Date: Fri, 1 May 2015 22:02:47 -0400
Subject: [PATCH] ipv4: Missing sk_nulls_node_init() in ping_unhash().
From: "David S. Miller" <[email protected]>
[ Upstream commit a134f083e79fb4c3d0a925691e732c56911b4326 ]
If we don't do that, then the poison value is left in the ->pprev backlink.
This can cause crashes if we do a disconnect, followed by a connect().
--- net/ipv4/ping.c | 1 + 1 file changed, 1 insertion(+)
net/ipv4/ping.c +1 -0
@@ -139,6 +139,7 @@ static void ping_v4_unhash(struct sock *if (sk_hashed (sk)) {write_lock_bh (&ping_table.lock);hlist_nulls_del (&sk->sk_nulls_node); +sk_nulls_node_init (&sk->sk_nulls_node);sock_put (sk); isk->inet_num =0 ; isk->inet_sport =0 ;
Patches currently in stable-queue which might be from [email protected] are
queue-3.10/ipv4-missing-sk_nulls_node_init-in-ping_unhash.patch